.progress_bar .pro-bar {
    background: hsl(0, 0%, 97%);
    box-shadow: 0 1px 2px hsla(0, 0%, 0%, 0.1) inset;
    height:4px;
    margin-bottom: 12px;
    margin-top: 50px;
    position: relative;
}
.progress_bar .progress_bar_title{
    /*color: hsl(218, 4%, 50%);*/
    color: #D5D6E2;
    font-size: 15px;
    font-weight: 300;
    position: relative;
    top: -28px;
    z-index: 1;
}
.progress_bar .progress_number{
    float: right;
    margin-top: -20px;
    font-family: "Microsoft YaHei","宋体","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif, FreeSans, Arimo;
    font-size: 11px;
    color: #808080;
}
.progress_left_number{
    float: left;
    margin-top: -20px;
    font-family: "Microsoft YaHei","宋体","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif, FreeSans, Arimo;
    font-size: 11px;
    color: #808080;
}
.progress_bar .progress-bar-inner {
    background-color: hsl(0, 0%, 88%);
    display: block;
    width: 0;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: width 1s linear 0s;
    animation: animate-positive 2s;
}
.progress_bar .progress-bar-inner:before {
    content: "";
    background-color: hsl(0, 0%, 100%);
    border-radius: 50%;
    width: 4px;
    height: 4px;
    position: absolute;
    right: 1px;
    top: 0;
    z-index: 1;
}
.progress_bar .progress-bar-inner:after {
    content: "";
    width: 14px;
    height: 14px;
    background-color: inherit;
    border-radius: 50%;
    position: absolute;
    right: -4px;
    top: -5px;
}
@-webkit-keyframes animate-positive{
    0% { width: 0%; }
}
@keyframes animate-positive{
    0% { width: 0%; }
}